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Issues with Blue/white box SS195LF?

Posted: 02 Nov 2020, 14:12
by Raps6088
Hello everyone. My first post on here. Just joined because I picked up a CMMG banshee 100 with an 8” barrel. Slapped it on my sbr lower to try out.

Ran a box of SS197SR through it and it seems to really like that. Zero problems, shot great. I tried some SS195LF and I was about 50-50 on failure to fires. Hammer fell but had a lighter primer strike. Even tried loading them back up to shoot again. Not a single one would go on the 2nd try. Any known issues with these rounds? Harder primers? They do have a crimped primer which it appears to be seated every so slightly deeper than the SS197SR. Thanks

Re: Issues with Blue/white box SS195LF?

Posted: 02 Nov 2020, 14:19
by panzermk2
Might need to clean your firing pin channel. Lacquer and crap will biuld up in it. Even more so on a new gun that has sharp corners on the new firing pin opening.

Re: Issues with Blue/white box SS195LF?

Posted: 02 Nov 2020, 14:20
by panzermk2
Just an fyi SS195 also uses small rifle primers.

Re: Issues with Blue/white box SS195LF?

Posted: 02 Nov 2020, 15:06
by Raps6088
Thanks Jay. I’ll start there and it a good douching. Crazy that it would build up that fast considering there was only a handful of rounds through it.

Interestingly, the SS195LF rounds that did fire had a noticeable softer recoil impulse than the SS197SR.

So SR primer vs SP primer? Harder or thicker cup?

Re: Issues with Blue/white box SS195LF?

Posted: 08 Nov 2020, 18:39
by Buffman
what is the Lot #?

Re: Issues with Blue/white box SS195LF?

Posted: 13 Nov 2020, 11:13
by panzermk2
SR is thicker unless you get into magnum primers.

SS197 has a heavier 40gr bullet so you would feel more with it over the 27gr SS192/195.

Now if you get EA's 27gr S4 with the same bullet as the SS192/195/198 you will feel a LOT more kick.